horizontallyopposed

Horizontally Opposed is a term used to describe a configuration of internal combustion engines, where the cylinders are arranged in two rows that are horizontal to each other, but perpendicular to the crankshaft. This configuration is different from the more common inline or V-type motor arrangements.

In a horizontally opposed engine, pairs of cylinders are mounted on either side of a central crankshaft, with the pistons moving in opposite directions. This arrangement helps to reduce vibrations and enhance stability, as the opposing forces generated by the pistons tend to cancel each other out.

Horizontally opposed engines have been used in a variety of applications, from high-performance sports cars to touring motorcycles and even some modern marine engines. The benefits of this design include improved balance, reduced noise, and increased fuel efficiency.

One of the key advantages of horizontally opposed engines is their ability to provide a smooth and quiet ride, even when operating at high speeds. This is due to the reduced vibration and balanced forces mentioned earlier, which contribute to a more comfortable driving experience.

The horizontally opposed design also lends itself well to compact engine packaging, making it a popular choice for smaller vehicles and sports cars. However, the added complexity and higher manufacturing costs associated with this configuration can also be drawbacks.

Examples of vehicles that have utilized horizontally opposed engines include the classic Porsche 911, the iconic BMW R32 motorcycle, and the modern Subaru Boxer engine found in various models of that brand.